CVE-2025-9577: TOTOLINK X2000R Administrative shadow.sample default credentials

Published Aug 28, 2025
·
Updated

A security flaw has been discovered in TOTOLINK X2000R up to 2.0.0. The affected element is an unknown function of the file /etc/shadow.sample of the component Administrative Interface. The manipulation results in use of default credentials. Attacking locally is a requirement. Attacks of this nature are highly complex. The exploitability is described as difficult. The exploit has been released to the public and may be exploited.

Affected Software

3 affected components
TOTOLINK X2000R<=2.0.0
All of the following
TOTOLINK X2000r Firmware=2.0.0-b20230727.1043.web
TOTOLINK X2000R

Event History

Aug 28, 2025
CVE Published
via MITRE·06:32 PM
Data Sourced
via MITRE·06:32 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeaknessAffected Software
Oct 11, 58533
Event
via NVD·05:40 AM
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Frequently Asked Questions

1

What is the severity of CVE-2025-9577?

The severity of CVE-2025-9577 is significant due to its exploitation allowing unauthorized access via default credentials.

2

How do I fix CVE-2025-9577?

To fix CVE-2025-9577, update the TOTOLINK X2000R firmware to a version newer than 2.0.0.

3

What vulnerabilities does CVE-2025-9577 exploit?

CVE-2025-9577 exploits the use of default credentials through the Administrative Interface of the TOTOLINK X2000R.

4

Who is affected by CVE-2025-9577?

Anyone using the TOTOLINK X2000R with firmware version up to 2.0.0 is affected by CVE-2025-9577.

5

Is remote access required for CVE-2025-9577 exploitation?

No, remote access is not required; exploitation of CVE-2025-9577 can only be performed locally.

Contact

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